const books = [
    {id: 0, name: "javaScript高级程序设计", date: "2021-10", count: 1,price:100,done:false},
    {id: 1, name: "javaScript权威指南", date: "2022-9", count: 1,price:200,done:false},
    {id: 3, name: "ES6标准入门", date: "2020-4", count: 1,price:300,done:false},
    {id: 4, name: "Vue.js设计与实现", date: "2023-12", count: 1,price:400,done:false},
]
